Might should have searched for Template Monster in the forum BEFORE the selection.

Anyhow....
What the LOVELY TM Folks have done is create a class for the first <li> and failed to use it for the others. There's a LOT of bogus

in there, but try going to line 92 of the stylesheet_tm.css and change the padding call from toYou'll need to play with the padding to get it like you want.
You can save a lot of future hassle by trying to find where the <li>'s are called in the PHP and add the class="li_un" to all of them.